-
NEW AND RECONSIDERED MEXICAN UMBELLIFERAE
Vol 11, Page 1, Date 1973
-
Marasmius section Chordales in the northeastern United States and adjacent Canada
Vol 11, Iss 2, Page 25, Date 1975
-
THE TAXONOMY OF ACMANTHERA (MALPIGHIACEAE)
Vol 11, Page 41, Date 1975
-
NOTES ON BANISTERIOPSIS FROM SOUTH-CENTRAL BRAZIL
Vol 11, Page 51, Date 1975
-
MEXICAN SPECIES OF PEDICULARIS (SCROPHULARIACEAE) HITHERTO CONFUSED WITH P. TRIPINNATA MART. & GAL
Vol 11, Page 57, Date 1975
-
REDISCOVERY OF LOBELIA DIELSIANA WIMMER, AND A RELATED SPECIES NEW TO SCIENCE
Vol 11, Page 65, Date 1975
-
Comments on Sphagnum capillaceum
Vol 11, Page 89, Date 1975
-
TAXONOMIC TREATMENT OF THE LUZULAE GROUP OF CYPERUS
Vol 11, Page 197, Date 1978
-
TWO NEW SPECIES OF BUNCHOSIA FROM WESTERN MEXICO
Vol 11, Page 273, Date 1978
-
KOSTELETZKYA TUBIFLORA (MALVACEAE): A NEW NAME BASED ON A SESSE & MOCINO PAINTING
Vol 11, Page 277, Date 1978
-
Sphagnum richardsianum, a new species from Mexico
Vol 11, Page 281, Date 1978
-
Calceolaria mexicana and C. tripartita in Mexico
Vol 11, Page 284, Date 1978
-
A new Asclepias from Zacatecas, Mexico
Vol 11, Page 289, Date 1978
-
A NEW SPECIES OF PEDICULARIS FROM JALISCO, MEXICO
Vol 11, Page 298, Date 1978
-
A new species of Arbutus (Ericaceae) from western Mexico
Vol 11, Page 301, Date 1978
-
THREE NEW SPECIES OF TRIUMFETTA FROM WESTERN MEXICO
Vol 11, Page 305, Date 1978